Riverton, NE 68972 Frost Dates
Frost dates for Riverton, NE, ZIP 68972
Typically, the last spring freeze lands around 04/30, roughly 245 days out. The first fall frost typically arrives around 10/08, about 161 frost-free days later.
The USDA Plant Hardiness Zone Map puts Riverton in Zone 6a (-10 to -5°F average annual minimum); frost dates are NOAA's 1991-2020 station normal, not this year's forecast.
What to do before the first frost
Zone 6a around Riverton has about 6 weeks left before the first fall frost — that's the usual window to get a cold frame up if you want to keep harvesting past it.
The actual range around Riverton's last frost
04/30 is the middle of 30 years of NOAA records, not a promise. Plant by 04/16 and you're betting against frost in roughly 9 years out of 10. 05/12 is the safer bet, historically only a 1-in-10 chance of frost that late.
How Riverton compares
At roughly 161 frost-free days, Riverton places 32,184 of 40,283 ZIP codes in this dataset. Within NE, it ranks 375 of 605.
Learn more
the frost range explains how to read the range around Riverton's dates instead of trusting one, and local microclimates explains what one yard in Riverton can differ from the 68972 normal.